VG1-S-PRA-3-RDR-LOWBAND-6SEC-V1.0: Voyager 1 Saturn Radio Astronomy Data

Voyager 1's Planetary Radio Astronomy instrument captured calibrated low-frequency radio emissions from Saturn during its 1980 encounter. The dataset contains the highest time resolution data from normal operations, with eight 6-second sweeps through 70 frequency channels packaged into 48-second major frames. Data are provided in calibrated millibel units and cover the full Saturn encounter phase from August 22 to December 14, 1980.

Use Cases

• Analyzing Saturn's low-frequency radio emission intensity and variability based on the calibrated power measurements in millibels.
• Studying temporal patterns in planetary radio phenomena based on the 6-second high-resolution sweep data over a multi-month encounter.
• Investigating signal polarization using the alternating left-hand and right-hand circular power samples mentioned in the instrument description.
• Validating or comparing radio astronomy models using the specific frequency channels from 1326.0 kHz to 1.2 kHz.

Strengths

• Data covers the entire Saturn encounter phase from 1980-08-22 to 1980-12-14, providing a continuous observation window.
• Provides the highest time resolution possible during normal operations, with sweeps through 70 frequency channels every 6 seconds.
• Data is calibrated and provided in specific physical units (millibels), with a defined zero point corresponding to 1.4×10^-21 W m^-2 Hz^-1.

Limitations

• Column-level documentation is absent; field semantics for the 71x8 data array and status word must be inferred after download.
• Row count is unknown, which may limit suitability assessment for large-scale statistical analysis.
• Description metadata indicates some data positions (70 and 71) should be ignored and missing/bad data values are set to zero, requiring careful preprocessing.

Provenance

Source

National Aeronautics and Space Administration

Collection Method

Acquired by the Voyager 1 Planetary Radio Astronomy (PRA) instrument during the Saturn encounter.

Time Range

1980-08 22 to 1980-12-14

Freshness

Last updated 2026-03-13 05:14:39.096118; freshness should be verified.

Geography

Saturn and its vicinity, as observed by the Voyager 1 spacecraft.